Rheumatology
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The aim of this study was to identify subgroups in terms of adaptation to FM and to test differences in FM severity between these subgroups. ⋯ Heterogeneity of FM was shown by five clinically meaningful profiles of modifiable factors that were associated with FM severity. It is of clinical interest to examine whether these profiles are associated with FM prognosis and the effectiveness of interventions, which would enhance the development of customized interventions based on adaptation profiles in FM.